package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class Demo4 {
    public static void main(String[] args)  {
        try (
                //Connection接口也继承了Auto_Closeable接口，因此可以使用异常的自动关闭特性；
                Connection  connection=DBUtil.getConnection();)
        {
            Statement statement=connection.createStatement();
            String sql="DELETE FROM user WHERE id=1";
            int num=statement.executeUpdate(sql);
            System.out.println(num>0?"删除成功":"删除失败");

        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
